2573647 has 4 divisors (see below), whose sum is σ = 2725056. Its totient is φ = 2422240.

The previous prime is 2573633. The next prime is 2573653. The reversal of 2573647 is 7463752.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2573647 - 2¹¹ = 2571599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2573617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75679 + ... + 75712.

It is an arithmetic number, because the mean of its divisors is an integer number (681264).

2^2573647 is an apocalyptic number.

2573647 is a deficient number, since it is larger than the sum of its proper divisors (151409).

2573647 is a wasteful number, since it uses less digits than its factorization.

2573647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151408.

The product of its digits is 35280, while the sum is 34.

The square root of 2573647 is about 1604.2590189866. The cubic root of 2573647 is about 137.0407288286.

The spelling of 2573647 in words is "two million, five hundred seventy-three thousand, six hundred forty-seven".